Weather Records on 23 September 2020

618 weather records were set or tied worldwide on 23 September 2020. Highest significance: Siliguri, IN.

Key Facts for 23 September 2020

On 23 September 2020, 618 weather records were set or tied at long-record stations worldwide.
325 were record highs and 90 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 9 monthly and 607 daily.
Siliguri set a daily record precipitation of 178.1 mm (7.0 in) on 23 September 2020.
Across 169 earlier years (1793 to 2026) the same calendar date averaged 430 records.

Record Map

618 stations

618 station records on 23 September 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 September 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Siliguri	India	Record daily precipitation	178.1 mm (7.0 in)	79 of 100 (Major)
Mogoca	Russia	Record daily precipitation	115.1 mm (4.5 in)	78 of 100 (Major)
Mansfield 4 NW	United States	Record daily precipitation	116.8 mm (4.6 in)	66 of 100 (Major)
Hilo Intl AP 87	United States	Record daily precipitation	121.4 mm (4.8 in)	61 of 100 (Major)
Monroe Rgnl AP	United States	Record daily precipitation	71.1 mm (2.8 in)	56 of 100 (Notable)
Regensburg	Germany	Record daily precipitation	40.2 mm (1.6 in)	54 of 100 (Notable)
Kountze	United States	Record daily precipitation	146.1 mm (5.8 in)	53 of 100 (Notable)
Greenvale Reservoir	Australia	Record daily precipitation	27.4 mm (1.1 in)	52 of 100 (Notable)
Tasiilaq	Greenland [Denmark]	Record low maximum temperature	-2.1 C (28.2 F)	52 of 100 (Notable)
Mykland	Norway	Record daily precipitation	49.4 mm (1.9 in)	52 of 100 (Notable)
Lyman Lake	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Arkadelphia 2 N	United States	Record daily precipitation	68.6 mm (2.7 in)	51 of 100 (Notable)
Portland	United States	Record daily precipitation	101.6 mm (4.0 in)	51 of 100 (Notable)
Grouse Camp	United States	Record daily precipitation	30.5 mm (1.2 in)	51 of 100 (Notable)
Quemado	United States	Record high minimum temperature	21.7 C (71.1 F)	50 of 100 (Notable)
Thunder Basin	United States	Record daily precipitation	73.7 mm (2.9 in)	50 of 100 (Notable)
Cougar Mountain	United States	Record daily precipitation	86.4 mm (3.4 in)	49 of 100 (Notable)
Proston Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	48 of 100 (Notable)
Rohwer 2 NNE	United States	Record daily precipitation	105.2 mm (4.1 in)	48 of 100 (Notable)
Kviteseid - Moen	Norway	Record daily precipitation	39.0 mm (1.5 in)	46 of 100 (Notable)
Pine Bluff	United States	Record daily precipitation	73.7 mm (2.9 in)	46 of 100 (Notable)
Forks 1 E	United States	Record daily precipitation	70.4 mm (2.8 in)	45 of 100 (Notable)
Makaweli 965	United States	Record high maximum temperature	32.8 C (91.0 F)	45 of 100 (Notable)
Rjukan	Norway	Record daily precipitation	35.0 mm (1.4 in)	44 of 100 (Notable)
Apishapa	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Tianjin	China	Record daily precipitation	57.9 mm (2.3 in)	43 of 100 (Notable)
Berlin-Dahlem	Germany	Record high maximum temperature	26.9 C (80.4 F)	43 of 100 (Notable)
Putbus	Germany	Record high maximum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Rauland	Norway	Record daily precipitation	36.6 mm (1.4 in)	43 of 100 (Notable)
Kjevik	Norway	Record daily precipitation	54.4 mm (2.1 in)	43 of 100 (Notable)
Cleveland	United States	Record daily precipitation	52.1 mm (2.1 in)	43 of 100 (Notable)
Trough	United States	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Antoine 1 SW	United States	Record daily precipitation	70.9 mm (2.8 in)	42 of 100 (Notable)
Anfa	Morocco	Record high maximum temperature	33.6 C (92.5 F)	41 of 100 (Notable)
Visby_Flygplats	Sweden	Record high maximum temperature	22.6 C (72.7 F)	41 of 100 (Notable)
Karlshamn	Sweden	Record high maximum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Castle Rock	United States	Record high maximum temperature	30.6 C (87.1 F)	41 of 100 (Notable)
Potsdam	Germany	Record high maximum temperature	26.8 C (80.2 F)	40 of 100 (Notable)
Lindenberg	Germany	Record high maximum temperature	27.2 C (81.0 F)	40 of 100 (Notable)
Satna	India	Record daily precipitation	73.9 mm (2.9 in)	40 of 100 (Notable)
Reinli	Norway	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Angermunde	Germany	Record high maximum temperature	27.2 C (81.0 F)	39 of 100 (Notable)
Nashville	United States	Record daily precipitation	103.4 mm (4.1 in)	39 of 100 (Notable)
Stoneville Exp STN	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Alexandria Esler Fld	United States	Record daily precipitation	80.0 mm (3.1 in)	39 of 100 (Notable)
Mosstrand II	Norway	Record daily precipitation	33.4 mm (1.3 in)	38 of 100 (Notable)
Leesville	United States	Record daily precipitation	45.5 mm (1.8 in)	38 of 100 (Notable)
Murfreesboro 1W	United States	Record daily precipitation	94.2 mm (3.7 in)	37 of 100 (Notable)
Saddle Mountain	United States	Record daily precipitation	73.7 mm (2.9 in)	37 of 100 (Notable)
Klaipeda	Lithuania	Record high maximum temperature	23.0 C (73.4 F)	36 of 100 (Notable)
Dierks	United States	Record daily precipitation	47.0 mm (1.9 in)	36 of 100 (Notable)
Minatare Dam (Usbr)	United States	Record high minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Richardton Abbey	United States	Record high minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Houston-Westbury	United States	Record daily precipitation	110.2 mm (4.3 in)	36 of 100 (Notable)
Jalpaiguri	India	Record daily precipitation	180.1 mm (7.1 in)	35 of 100 (Notable)
Newton Rigg	United Kingdom	Record low maximum temperature	9.9 C (49.8 F)	35 of 100 (Notable)
Saint Charles	United States	Record daily precipitation	44.2 mm (1.7 in)	35 of 100 (Notable)
Jeanerette 5 NW	United States	Record daily precipitation	106.7 mm (4.2 in)	35 of 100 (Notable)
Houston N Houston	United States	Record daily precipitation	135.9 mm (5.4 in)	35 of 100 (Notable)
Jackson Intl AP	United States	Record daily precipitation	48.8 mm (1.9 in)	35 of 100 (Notable)

Counts by Type and Timescale

618 records

Records set or tied on 23 September 2020 by type: Highest daily maximum 171, Lowest daily maximum 65, Highest daily minimum 154, Lowest daily minimum 25, Heaviest daily rainfall 203.

Records on 23 September 2020 by type
Record type	Records
Highest daily maximum	171
Lowest daily maximum	65
Highest daily minimum	154
Lowest daily minimum	25
Heaviest daily rainfall	203
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 September 2020 by timescale: all-time 2, monthly 9, daily 607.

How Much Records Were Beaten By

503 broken records

Margins by which the 503 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 123.5. Ties are not counted.

Top 20 by Significance

23 September 2020

Top 20 records on 23 September 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 September 2020	Siliguri, IN	daily rain	178.1 mm (7.0 in)	123.5 mm (4.9 in)	113 years	79 of 100 (Major)
23 September 2020	Mogoca, RU	all-time rain	115.1 mm (4.5 in)	16.5 mm (0.6 in)	74 years	78 of 100 (Major)
23 September 2020	Mansfield 4 NW, US	daily rain	116.8 mm (4.6 in)	64.0 mm (2.5 in)	118 years	66 of 100 (Major)
23 September 2020	Hilo Intl AP 87, US	daily rain	121.4 mm (4.8 in)	58.9 mm (2.3 in)	54 years	61 of 100 (Major)
23 September 2020	Monroe Rgnl AP, US	daily rain	71.1 mm (2.8 in)	59.2 mm (2.3 in)	65 years	56 of 100 (Notable)
23 September 2020	Regensburg, DE	daily rain	40.2 mm (1.6 in)	23.8 mm (0.9 in)	16 years	54 of 100 (Notable)
23 September 2020	Kountze, US	daily rain	146.1 mm (5.8 in)	106.7 mm (4.2 in)	23 years	53 of 100 (Notable)
23 September 2020	Greenvale Reservoir, AU	daily rain	27.4 mm (1.1 in)	16.6 mm (0.7 in)	44 years	52 of 100 (Notable)
23 September 2020	Tasiilaq, GL	monthly low max	-2.1 C (28.2 F)	0.6 C (1.1 F)	102 years	52 of 100 (Notable)
23 September 2020	Mykland, NO	daily rain	49.4 mm (1.9 in)	22.0 mm (0.9 in)	76 years	52 of 100 (Notable)
23 September 2020	Lyman Lake, US	daily rain	50.8 mm (2.0 in)	35.6 mm (1.4 in)	28 years	52 of 100 (Notable)
23 September 2020	Arkadelphia 2 N, US	daily rain	68.6 mm (2.7 in)	22.9 mm (0.9 in)	100 years	51 of 100 (Notable)
23 September 2020	Portland, US	daily rain	101.6 mm (4.0 in)	67.6 mm (2.7 in)	9 years	51 of 100 (Notable)
23 September 2020	Grouse Camp, US	daily rain	30.5 mm (1.2 in)	28.0 mm (1.1 in)	28 years	51 of 100 (Notable)
23 September 2020	Quemado, US	daily high min	21.7 C (71.1 F)	7.8 C (14.0 F)	71 years	50 of 100 (Notable)
23 September 2020	Thunder Basin, US	daily rain	73.7 mm (2.9 in)	48.3 mm (1.9 in)	28 years	50 of 100 (Notable)
23 September 2020	Cougar Mountain, US	daily rain	86.4 mm (3.4 in)	53.4 mm (2.1 in)	28 years	49 of 100 (Notable)
23 September 2020	Proston Post Office, AU	daily rain	49.0 mm (1.9 in)	28.0 mm (1.1 in)	46 years	48 of 100 (Notable)
23 September 2020	Rohwer 2 NNE, US	daily rain	105.2 mm (4.1 in)	84.1 mm (3.3 in)	9 years	48 of 100 (Notable)
23 September 2020	Kviteseid - Moen, NO	daily rain	39.0 mm (1.5 in)	24.0 mm (0.9 in)	38 years	46 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1793 to 2020

Records set or tied on this calendar date in each year from 1793 to 2020. 2020 had 618 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-23 in each year
Year	Records
1793	1
1796	1
1799	1
1804	1
1832	1
1835	1
1838	1
1842	3
1843	1
1845	2
1848	1
1849	1
1850	1
1851	2
1854	3
1855	1
1859	2
1864	1
1865	1
1866	1
1868	1
1871	1
1872	1
1874	1
1875	1
1876	1
1877	1
1881	4
1882	2
1885	1
1886	1
1887	1
1888	1
1889	3
1890	2
1891	1
1892	2
1893	4
1895	9
1896	5
1897	1
1898	2
1899	4
1900	4
1901	2
1902	6
1903	7
1904	19
1905	6
1906	6
1907	19
1908	19
1909	15
1910	8
1911	11
1912	15
1913	22
1914	29
1915	25
1916	324
1917	56
1918	34
1919	40
1920	44
1921	47
1922	34
1923	74
1924	194
1925	223
1926	459
1927	247
1928	382
1929	198
1930	472
1931	600
1932	383
1933	281
1934	361
1935	239
1936	377
1937	557
1938	389
1939	279
1940	374
1941	490
1942	557
1943	322
1944	381
1945	652
1946	623
1947	803
1948	259
1949	496
1950	267
1951	462
1952	432
1953	271
1954	324
1955	852
1956	299
1957	539
1958	641
1959	307
1960	470
1961	670
1962	344
1963	568
1964	322
1965	783
1966	528
1967	341
1968	481
1969	450
1970	1,457
1971	578
1972	461
1973	674
1974	1,543
1975	1,038
1976	463
1977	616
1978	500
1979	586
1980	1,037
1981	717
1982	775
1983	1,744
1984	1,121
1985	924
1986	740
1987	1,077
1988	653
1989	1,376
1990	702
1991	519
1992	976
1993	983
1994	1,140
1995	1,868
1996	809
1997	1,060
1998	1,326
1999	1,207
2000	2,026
2001	790
2002	930
2003	1,243
2004	986
2005	1,207
2006	1,509
2007	1,153
2008	835
2009	1,201
2010	1,360
2011	666
2012	785
2013	573
2014	595
2015	587
2016	774
2017	1,371
2018	693
2019	565
2020	618
2021	602
2022	551
2023	812
2024	499
2025	449
2026	384

Download the Data

Data for records on 2020-09-23: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	452
20 to 40	33
40 to 60	12
60 to 80	3
80 to 100	1
100 to 120	1
120 to 140	1